67408880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:415

約数の個数: 160

約数和(自身を含む): 202272768

約数和(自身を除く): 134863888

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 353, 385, 434, 440, 496, 560, 616, 620, 682, 706, 770, 868, 880, 1085, 1232, 1240, 1364, 1412, 1540, 1705, 1736, 1765, 2170, 2387, 2471, 2480, 2728, 2824, 3080, 3410, 3472, 3530, 3883, 4340, 4774, 4942, 5456, 5648, 6160, 6820, 7060, 7766, 8680, 9548, 9884, 10943, 11935, 12355, 13640, 14120, 15532, 17360, 19096, 19415, 19768, 21886, 23870, 24710, 27181, 27280, 28240, 31064, 38192, 38830, 39536, 43772, 47740, 49420, 54362, 54715, 62128, 76601, 77660, 87544, 95480, 98840, 108724, 109430, 120373, 135905, 153202, 155320, 175088, 190960, 197680, 217448, 218860, 240746, 271810, 306404, 310640, 383005, 434896, 437720, 481492, 543620, 601865, 612808, 766010, 842611, 875440, 962984, 1087240, 1203730, 1225616, 1532020, 1685222, 1925968, 2174480, 2407460, 3064040, 3370444, 4213055, 4814920, 6128080, 6740888, 8426110, 9629840, 13481776, 16852220, 33704440, 67408880]

約数ペア:

[(1, 67408880), (2, 33704440), (4, 16852220), (5, 13481776), (7, 9629840), (8, 8426110), (10, 6740888), (11, 6128080), (14, 4814920), (16, 4213055), (20, 3370444), (22, 3064040), (28, 2407460), (31, 2174480), (35, 1925968), (40, 1685222), (44, 1532020), (55, 1225616), (56, 1203730), (62, 1087240), (70, 962984), (77, 875440), (80, 842611), (88, 766010), (110, 612808), (112, 601865), (124, 543620), (140, 481492), (154, 437720), (155, 434896), (176, 383005), (217, 310640), (220, 306404), (248, 271810), (280, 240746), (308, 218860), (310, 217448), (341, 197680), (353, 190960), (385, 175088), (434, 155320), (440, 153202), (496, 135905), (560, 120373), (616, 109430), (620, 108724), (682, 98840), (706, 95480), (770, 87544), (868, 77660), (880, 76601), (1085, 62128), (1232, 54715), (1240, 54362), (1364, 49420), (1412, 47740), (1540, 43772), (1705, 39536), (1736, 38830), (1765, 38192), (2170, 31064), (2387, 28240), (2471, 27280), (2480, 27181), (2728, 24710), (2824, 23870), (3080, 21886), (3410, 19768), (3472, 19415), (3530, 19096), (3883, 17360), (4340, 15532), (4774, 14120), (4942, 13640), (5456, 12355), (5648, 11935), (6160, 10943), (6820, 9884), (7060, 9548), (7766, 8680)]